Hafert, the Boulder

Hafert, The Boulder's enters the battlefield with X +1/+1 counters
Whenever Hafert, The Boulder dies, if it
had two or more +1/+1 counters on it,
create a token that’s a copy of it at the
beginning of the next end step. The
token enters the battlefield with half
that many +1/+1 counters on it,
rounded down.
{t}: add {g} equal to Hafert's power